103520431235 has 16 divisors (see below), whose sum is σ = 133848015840. Its totient is φ = 76407133440.

The previous prime is 103520431229. The next prime is 103520431237. The reversal of 103520431235 is 532134025301.

It is a happy number.

It is not a de Polignac number, because 103520431235 - 2²⁸ = 103251995779 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103520431198 and 103520431207.

It is not an unprimeable number, because it can be changed into a prime (103520431237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273746 + ... + 531015.

It is an arithmetic number, because the mean of its divisors is an integer number (8365500990).

Almost surely, 2^103520431235 is an apocalyptic number.

103520431235 is a deficient number, since it is larger than the sum of its proper divisors (30327584605).

103520431235 is a wasteful number, since it uses less digits than its factorization.

103520431235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806758.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 103520431235 its reverse (532134025301), we get a palindrome (635654456536).

The spelling of 103520431235 in words is "one hundred three billion, five hundred twenty million, four hundred thirty-one thousand, two hundred thirty-five".